Controversial former University of the Witwatersrand SRC president Mcebo Dlamini was denied bail in .
The Zimbabwe Congress of Trade Unions secretary-general Wellington Shibebe has been called in by police over utterances he made that were interpreted as calling for regime change in the country.
"He has been summoned by police in connection with utterances he made at this year's May Day celebrations," a statement read.
"According to police the utterances were meant to press for regime change." - Sapa